Tips and Techniques for Improving Potentiostat Stability
OverviewThis application note is meant to provide you with several tips and techniques for improving potentiostat stability. Potentiostats can become unstable for several reasons. Improving the...
View ArticleMeasuring the Optical Power of your LED
Purpose of This NoteWhen performing experiments with dye solar cells, light is focused on a cell and its current or voltage response is measured. The generated power depends strongly on the intensity...
View ArticleUnderstanding the Specifications of your Potentiostat
Purpose of This NoteThis technical note is intended to help you better understand the functionality and specifications of potentiostats. Various parameters that are typically listed in specification...
View ArticleThe Value of Stack Mode Measurements
IntroductionSome researchers want to be able to apply or measure voltages larger than 12 V. One example of the need for larger potentials is battery testing, while another might be CV inside small...
View ArticleUnderstanding iR Compensation
IntroductionSome of the most common technical questions we hear at Gamry have to do with iR compensation --Where does uncompensated iR come from?Do I need to use iR compensation with my experiment?How...
View ArticleComprehensive cell impedance measurements using the Interface 5000E...
IntroductionWe often hear positive feedback from our users on the Reference 3000 potentiostat with Auxiliary Electrometer (AE). The AE option was designed for users who want to monitor multiple voltage...
View ArticleCare of Porous Glass Frits
IntroductionPorous glass frit is often used at the end of a reference electrode or a bridge tube to allow electrical, ionic conductivity between the bulk of the solution and the internal filling...
View ArticleMeasurement of Small Electrochemical Signals
IntroductionPotentiostats are often required to work near the limits of their measurement ability. The Gamry Instruments Reference 600+ potentiostat can resolve current changes as small as 1...
View ArticleCalibration of Your Potentiostat
IntroductionAll scientific instruments must be calibrated in order to ensure proper function and accurate results, including potentiostats. This Technical Note explains the general principles behind...
View ArticleRisks of Using Additional Cabling
IntroductionCell cables are an integral part of your potentiostat and can have a large effect on full measurement capabilities of the complete system. They provide connection between the potentiostat...
View ArticleIntroduction to the EIS Box
The EIS Box is a value-oriented, research-grade electrochemical instrument packaged in a small case. It is designed for battery-testing via electrochemical impedance spectroscopy up to eight cells.The...
View ArticleCable-Capacitance Correction
What is it? Why do we care?The individual conductors in the cell cable of the potentiostat are made up of coaxial cables. The outer conductor in a coaxial cable is used to shield the signal of...
View ArticleRapid Biphasic Pulsing
IntroductionOccasionally you may need to make your potentiostat emit rapid pulses for your experimental work. For example, neuroscientists sometimes use such pulsing for experiments with neurons....
View ArticleTroubleshooting Your Gamry Potentiostat
IntroductionThe Calibration Cell is a printed-circuit board used for calibration and troubleshooting of your Gamry Instruments potentiostat, and is supplied with every Gamry Instruments potentiostat....
View ArticleChecking the Integrity of a Gamry Cell Cable
IntroductionOf all the components of a Gamry Instruments system, the cell cable is the one that is constantly being flexed and exposed to corrosive environments. This test may take a couple of minutes,...
View ArticleUsing the Interface 5000 Dual Electrometer
Measuring both half cellsThis Technical Note is meant to show users how the Dual Electrometer feature of the Interface 5000 can help you make simultaneous measurements on both half cells during an...
View ArticleTwo, Three and Four Electrode Experiments
The number of electrodes (or probes) usedtwo, three, four electrode.IntroductionElectrochemical experiments range from simple potentiostatic (chronoamperometry), to cyclic voltammetry...
View ArticleFaraday Cage: What Is It? How Does It Work?
IntroductionIt is a well-known fact among electrochemists that a Faraday cage is used to reduce noise. While it is fairly well known in electrochemistry circles, it is surprisingly hard to find useful...
View ArticleCustomizing Experiments Using the I/O Capabilities
Miscellaneous I/O cable and Monitor Board KitIntroductionSome electrochemical experiments require control of external equipment via input/output “I/O” interfaces. For example:Control external devices:...
View ArticleChanging Potentiostat Speed Settings
IntroductionThis application note describes the software changes that you can make to slow down a Gamry Instruments’ potentiostat. Slowing down the potentiostat can improve its stability.These changes...
View ArticleMeasuring the Impedance of Your Reference Electrode
IntroductionIt's very important for optimum potentiostat performance that the impedance of the Reference Electrode in your cell is low! A high impedance Reference Electrode will cause problems that...
View ArticleReference Electrodes
IntroductionThis Application Note presumes that you have a basic understanding of potentiostat operation. If you are not that knowledgeable concerning electrochemical instrumentation, please read...
View ArticlePotentiostat Fundamentals
Introduction to PotentiostatsA potentiostat (Figure 1) is an electronic instrument that controls the voltage difference between a Working Electrode and a Reference Electrode. Both electrodes are...
View ArticleMultiplexed Biofilm Enrichment
IntroductionThe use of an electrochemical multiplexer allows researchers to increase throughput without having to purchase additional potentiostats. Most multiplexers are simple switching devices that...
View ArticleInstrument Grounding and Guide for the Right Setup
Purpose of This NoteThis technical note is intended to help you better understand the term “grounding”. Many researchers take this topic too lightly. However, this can not only negatively impact your...
View ArticleRunning EIS with an IMX8 Electrochemical Multiplexer
Purpose of This Note This technical note provides baseline performance benchmarks for using a Reference 620 potentiostat (REF620) or Interface 1010E potentiostat (IFC1010E) paired with an IMX8...
View Article